http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
  • The Legion of the Bouncy Castle Inc. 
package org.bouncycastle.math.ec;


Interface for classes storing precomputation data for multiplication
algorithms. Used as a Memento (see GOF patterns) by e.g. 
WNafL2RMultiplier.

/**
 * Interface for classes storing precomputation data for multiplication
 * algorithms. Used as a Memento (see GOF patterns) by e.g. 
 * <code>WNafL2RMultiplier</code>.
 */
public interface PreCompInfo
{
}